Valves ni sehemu muhimu katika uwanja wa viwanda, kawaida hutumiwa kudhibiti na kudhibiti mtiririko wa maji mbalimbali. Ni muhimu kwetu kuelewa njia za unganisho na viwango vya valves wakati wa kuzitumia. Katika nakala hii, tutaanzisha kwa kina njia za unganisho na viwango vya valves. Kuna njia mbalimbali za unganisho na viwango vya valves, na nakala hii itaanzisha kadhaa za kawaida.
1. Uunganisho wa Flange
Flange connection is a commonly used connection method in pipeline systems. It is suitable for large-diameter valves and has advantages such as firm connection, good sealing, and safety. Flange connections include flat flange, raised face flange, ring joint flange, and butt-welded flange.
Flat flange connection involves matching the valve with the pipeline flange and securing them together with bolts. The advantage of this connection method is its simple structure and ease of disassembly. The disadvantage is that the sealing is not good enough and it is not suitable for high-pressure, high-temperature, and corrosive media applications.
Raised face flange connection involves matching the raised face flange with the pipeline flange and securing them together with bolts. The advantages of this connection method are tight connection, good sealing, and suitability for high-temperature, high-pressure, and corrosive media applications. The disadvantage is that the structure is more complex, making installation more difficult.
Muunganisho wa pamoja wa flange unajumuisha kuingiza ncha ya valve moja kwa moja kwenye shimo la flange na kuzilinda pamoja na bolts. Njia hii ya unganisho inafaa kwa matumizi makubwa ya diameter, shinikizo la chini, na rahisi kukusanyika. Hasara ni kwamba kuziba ni maskini.
Muunganisho wa flange uliofungwa na Butt unajumuisha kulehemu valve kwenye bomba la bomba na kuzilinda pamoja na bolts. Njia hii ya unganisho inafaa kwa matumizi ya vyombo vya habari vya shinikizo la juu, joto la juu, na corrosive. Hasara ni kwamba muundo ni ngumu zaidi, na kufanya usakinishaji kuwa mgumu zaidi.
2. Muunganisho wa Threaded Muunganisho uliokatwa unajumuisha kuunganisha valve kwenye bomba kupitia nyuzi. Njia hii ya unganisho inafaa kwa valves ndogo za diameter, na muundo rahisi na disassembly rahisi. Hata hivyo, nguvu na kuziba kwa uhusiano wa nyuzi sio nzuri kama uhusiano wa flange.
3. Uunganisho wa kulehemu
Welding connection involves welding the valve to the pipeline. This connection method is suitable for high-pressure, high-temperature, and corrosive media applications. Welding connections have high strength, good sealing, and a simple structure. However, welding connections require a high level of technical expertise and operational requirements.
4. Muunganisho wa Clamp
Clamp connection involves fixing clamps around the valve and securing them to the pipeline to achieve the connection. This connection method is suitable for small-diameter valves, with a simple connection and convenient disassembly. However, the strength and sealing of clamp connections are not as good as flange connections.
Kwa kumalizia, njia tofauti za unganisho za valves zinafaa kwa matumizi tofauti. Wakati wa kuchagua njia ya unganisho, ni muhimu kufanya uchaguzi mzuri kulingana na hali halisi ili kuhakikisha ufanisi na usalama wa mfumo wa bomba. Ifuatayo, hebu tuangalie viwango vya valves. Viwango vya Valve hurejelea vipimo vya umoja kwa vigezo vya utendaji, muundo wa muundo, vipimo, njia za unganisho, nk. Hapa kuna utangulizi wa viwango vya valve: 1. Viwango vya Kitaifa vya Amerika (ANSI): Hii ni kiwango kilichoanzishwa na Taasisi ya Viwango vya Kitaifa ya Amerika, ambayo inajumuisha viwango katika nyanja mbalimbali, pamoja na viwango vya valve. 2. Viwango vya Viwanda vya Kijapani (JIS): Hizi ni viwango vya viwanda vilivyoanzishwa na shirika la serikali ya Kijapani, ambalo pia linajumuisha viwango vya valve. 3. Taasisi ya Ujerumani ya Usawazishaji (DIN): Hii ni kiwango kilichoanzishwa na shirika la viwango vya Ujerumani na pia hutumiwa sana katika nchi nyingi za Ulaya. 4. Shirika la Kimataifa la Usawazishaji (ISO): Hii ni kiwango kilichoanzishwa na Shirika la Kimataifa la Usawazishaji, ambalo linatambuliwa kimataifa kama kiwango cha juu zaidi. Viwango vya Valve vina mahitaji tofauti kwa mazingira tofauti ya maombi, na tunahitaji kuchagua viwango sahihi vya valve kulingana na hali maalum. Wakati wa kuchagua valves, tunahitaji kuzingatia pointi zifuatazo: 1. Tambua ubora wa valve: Tambua ubora wa valve kupitia njia anuwai kama vile kuangalia alama za valve na kukagua muonekano wa valve. 2. Chagua programu zinazofaa: valves tofauti zinafaa kwa matumizi tofauti, na tunahitaji kuchagua valve inayofaa kulingana na hali maalum. 3. Tathmini utendaji wa valve: Tunahitaji kutathmini utendaji wa valve kulingana na hali maalum, kama vile joto, shinikizo, kiwango cha mtiririko, nk, na uchague valve inayofaa. 4. Ufungaji sahihi na kuagiza: Ufungaji sahihi na kuagiza valves ni muhimu kwa utendaji wao. Tunahitaji kusoma kwa uangalifu mwongozo wa mtumiaji wa valve na kusakinisha na kuagiza valve kwa usahihi. Kwa muhtasari, mbinu na viwango vya unganisho la valve ni muhimu kwa matumizi ya valves. Tunahitaji kuchagua njia sahihi ya unganisho la valve na kiwango. inquiry@covna-china.com
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